docstr: Load an openVINO Estimator.
  
  :param model_path: String. The file path to the OpenVINO IR xml file.
docstr_tok: ["Load","an","openVINO","Estimator",".",":","param","model_path",":","String",".","The","file","path","to","the","OpenVINO","IR","xml","file","."]
code: def from_openvino(*, model_path):
      """
      Load an openVINO Estimator.
  
      :param model_path: String. The file path to the OpenVINO IR xml file.
      """
      return OpenvinoEstimator(model_path=model_path)
  
imports: import math
  import os.path
  from pyspark.sql import DataFrame
  from zoo.orca.data import SparkXShards
  from zoo.orca.learn.spark_estimator import Estimator
  from zoo import get_node_and_core_number
  from zoo.util import nest
  from zoo.common.nncontext import init_nncontext
  from openvino.inference_engine import IECore
  import numpy
label_desc: Use image node_id 1 for calling the Estimator obj's underlying member method code with example usage: obj.from_openvino() and returns: OpenvinoEstimator